Because iReap Pro is designed for multiple store, then Item Master data can’t be deleted via device for consistency and standardization purposes between stores.
Item Master data can be deleted via web (the status is inactive /unregister only-Not really remove from database)
Open browser and go to www.ireappos.com
Click login iREAP POS Pro
Or Open browser and go to pro.ireappos.com/login
Entry Administrator account email address and password for login
Go to main page of your iREAP POS Pro
Click on menu master data and choose Product
On the destination product > Click 
Click OK to confirm delete the product
Yeaayy you have succeeded in deleting/deactivating the product
Note:
After the item is deleted, its position will automatically move to the last line
Tick the button 
if you don't want to display products that have been deleted.
Note:
After Item Master data deleted, it doesn't mean that the transaction deleted.
For example: Item Yonex Carbonex 7000 has been deleted as shown in above picture, but the previous transaction detail is still exist.
Item master data that have been deleted will not be able to use in transaction anymore (it didn't exist in the list when choosing item code).
But this item is still visible at the bottom of the master data item list with the addition of the Trash bin symbol 
You can also tick the button 
In Stock Report via web, you can have a stock report with or without the item master data deleted (there is a check box as shown below)
iREAP POS : iREAP stand for Integrated Retail Application, is an application designed and developed to help you managed and run store operation, consists of Point of Sale / Cashier system and inventory control system.
